France's fight against violent extremism, 10 years after the Paris attacks

Ten years after the November 13 Paris terror attacks, France's security and intelligence services are dealing with reports of increasingly younger individuals who often become radicalised quickly via social networks. Through rare access inside the police's radicalisation telephone hotline, as well as interviews with terrorism experts, a former prisoner and a survivor of the Bataclan attack, we explore the lessons learnt since 2015 and what the terrorism threat looks like today.